Fix unsafe floating point comparison

3 years ago · 150f9041e3
parent b750ed3a0f
commit 150f9041e3
1 changed files with 1 additions and 1 deletions
--- a/shared-bindings/analogio/AnalogIn.c
+++ b/shared-bindings/analogio/AnalogIn.c
@ -140,7 +140,7 @@ STATIC mp_obj_t analogio_analogin_obj_get_reference_voltage(mp_obj_t self_in) {
    check_for_deinit(self);

    float reference_voltage = common_hal_analogio_analogin_get_reference_voltage(self);
-    if (reference_voltage == 0.0f) {
+    if (reference_voltage <= 0.0f) {
        return mp_const_none; 
    } else {
        return mp_obj_new_float(reference_voltage);